22371650165 has 8 divisors (see below), whose sum is σ = 27083555928. Its totient is φ = 17738936320.

The previous prime is 22371650131. The next prime is 22371650207. The reversal of 22371650165 is 56105617322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2024910001 + 20346740164 = 44999^2 + 142642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22371650165 - 2⁶ = 22371650101 is a prime.

It is a super-2 number, since 2×22371650165² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19797356 + ... + 19798485.

It is an arithmetic number, because the mean of its divisors is an integer number (3385444491).

Almost surely, 2^22371650165 is an apocalyptic number.

It is an amenable number.

22371650165 is a deficient number, since it is larger than the sum of its proper divisors (4711905763).

22371650165 is a wasteful number, since it uses less digits than its factorization.

22371650165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39595959.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 22371650165 in words is "twenty-two billion, three hundred seventy-one million, six hundred fifty thousand, one hundred sixty-five".